Shane Brown I Found a Sea Urchin! You Won’t Believe Its Spikes! Posted: March 19, 2025 | Last updated: March 19, 2025 This spiky little creature is full of surprises! Sea urchins play a big role ...

Inside the spiky test are five corals of roe, sometimes called tongues—the sea urchin’s wobbly gonads. Karoline O.A. Pettersen Sea urchins with their skin and spines removed. Jennifer Steen ...

They also offer anchor points for other creatures, such as the pink basket star, spiky sea urchin and sea star shown here clinging to a brownish, sticklike tubeworm casing near a methane seep.

New research has uncovered a crucial clue to understanding the spread of "barrens" in the Great Southern Reef, which are ...

The sea urchin population in many coastal areas is on the increase, and this could have a negative impact on recreational activities associated with the coast. In certain areas, hundreds of these ...